//  This file is part of YamlDotNet - A .NET library for YAML.
//  Copyright (c) 2013 Antoine Aubry and contributors
    
//  Permission is hereby granted, free of charge, to any person obtaining a copy of
//  this software and associated documentation files (the "Software"), to deal in
//  the Software without restriction, including without limitation the rights to
//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
//  of the Software, and to permit persons to whom the Software is furnished to do
//  so, subject to the following conditions:
    
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
    
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//  SOFTWARE.

using System;

namespace YamlDotNet.Serialization.EventEmitters
{
	/// <summary>
	/// Provided the base implementation for an IEventEmitter that is a
	/// decorator for another IEventEmitter.
	/// </summary>
	public abstract class ChainedEventEmitter : IEventEmitter
	{
		protected readonly IEventEmitter nextEmitter;

		protected ChainedEventEmitter(IEventEmitter nextEmitter)
		{
			if (nextEmitter == null)
			{
				throw new ArgumentNullException("nextEmitter");
			}

			this.nextEmitter = nextEmitter;
		}

		public virtual void Emit(AliasEventInfo eventInfo)
		{
			nextEmitter.Emit(eventInfo);
		}

		public virtual void Emit(ScalarEventInfo eventInfo)
		{
			nextEmitter.Emit(eventInfo);
		}

		public virtual void Emit(MappingStartEventInfo eventInfo)
		{
			nextEmitter.Emit(eventInfo);
		}

		public virtual void Emit(MappingEndEventInfo eventInfo)
		{
			nextEmitter.Emit(eventInfo);
		}

		public virtual void Emit(SequenceStartEventInfo eventInfo)
		{
			nextEmitter.Emit(eventInfo);
		}

		public virtual void Emit(SequenceEndEventInfo eventInfo)
		{
			nextEmitter.Emit(eventInfo);
		}
	}
}